US Bridges

N4450 over Pecan Creek

PoorPosted for load

Cherokee County, Oklahoma · 0.7 MI S of Thompson Cor · Structure no. 222630000000000

Built
1989
36 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4450 over Pecan Creek is a steel stringer/multi-beam or girder carrying N4450 over Pecan Creek in Cherokee County, Oklahoma. It was built in 1989, so it is 36 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 61 ft (18.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN4450
CrossesPecan Creek
Location0.7 MI S of Thompson Cor
RouteCounty Highway N4450
Coordinates35.90537, -95.08272
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span16 ft (4.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4450 over Pecan Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is N4450 over Pecan Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does N4450 over Pecan Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4450 over Pecan Creek?

The structure is 61 ft (18.6 m) long with a longest span of 16 ft (4.9 m) and a deck 24 ft wide.

Who owns N4450 over Pecan Creek?

It is owned by the County Highway Agency.